According to a magazine, as of January 2018, 8% of chief executive officers were women. Complete parts a through dbased on a random sample of 12 CEOs.a. What is the probability that one corporate officer was female?The probability is 0.3837(Round to four decimal places as needed.)b. What is the probability that fewer than four corporate officers were female?The probability is 0.9880(Round to four decimal places as needed.)c. What is the probability that more than two corporate officers were female?The probability is(Round to four decimal places as needed.)

According to the given information,Probability of success, p = 8% = 0.08Sample size, n = 12Let X be…

Answered: According to a magazine, as of January…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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It is estimate that 40% of households own a riding lawn mower. A sample of 11 households is studied. What is the probability that exactly 8 of these own a riding lawn mower.
United Airlines' flights from Denver to Dallas are on time 90 % of the time. Suppose 5 flights are randomly selected, and the number of on-time flights is recorded.Round answers to 4 decimal places.a. The probability that exactly 3 flights are on time is .b. The probability that at most 4 flights are on time is .c. The probability that at least 4 flights are on time is .
Two dice are rolled and the faces are added together. Give your answer as a decimal out to at least 4 places. a. What is the probability of getting a sum of eight? b. What is the probability of getting doubles? c. What is the probability of getting a sum more than ten?
13% of all Americans live in poverty. If 39 Americans are randomly selected, find the probability thata. Exactly 5 of them live in poverty. b. At most 4 of them live in poverty. c. At least 3 of them live in poverty. d. Between 3 and 10 (including 3 and 10) of them live in poverty.
According to government data, 73% of employed women have never been married. Rounding to 4 decimal places, if 15 employed women are randomly selected: a. What is the probability that exactly 2 of them have never been married? b. That at most 2 of them have never been married? c. That at least 13 of them have been married?
Answer parts A, B, and C based on the following scenario. A jar has 20 marbles: 5 green, 7 blue, 8 red. A. What is the probability of randomly choosing a red marble? Answer with a simplified fraction or a percentage rounded to the nearest whole number. B. What is the probability of randomly choosing a red or a green marble? Answer with a simplified fraction or a percentage rounded to the nearest whole number. C. What is the probability of randomly choosing a red and then a green marble (keep the red marble when you choose it)? Answer with a simplified fraction or a percentage rounded to the nearest tenth.
Based on past experience, the store manager estimates that the probability that any one customer will make a purchase is .30. What is the probability that two of the next three customers will make a purchase?
9% of all Americans live in poverty. If 36 Americans are randomly selected, find the probability that a. Exactly 3 of them live in poverty. b. At most 3 of them live in poverty. c. At least 5 of them live in poverty. d. Between 2 and 10 (including 2 and 10) of them live in poverty. 74% of all Americans live in cities with population greater than 100,000 people. If 49 Americans are randomly selected, find the probability that a. Exactly 35 of them live in cities with population greater than 100,000 people. b. At most 35 of them live in cities with population greater than 100,000 people. c. At least 36 of them live in cities with population greater than 100,000 people. d. Between 29 and 33 (including 29 and 33) of them live in cities with population greater than 100,000 people. 77% of all students at a college still need to take another math class. If 36 students are randomly selected, find the probability that a. Exactly 27 of them need to take another math class. b. At most 27…
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